Renqiu Jinjiang Welding and Cutting
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2025-06-11
The principle of welding, how to form the solder joint
The principle of welding is based on solid bonding between metals, and the specific formation process involves several key aspects. First, the metal at the connection site is heated to a molten state, which is called melting core. When the temperature is high enough, the surface tension of the material being welded is reduced, allowing the molten metal (solder) to wet the substrate and solidify to form a strong contact as the temperature decreases.
2025-06-11
The principle of welding is based on solid bonding between metals, and the specific formation process involves several key aspects.
First, the metal at the connection site is heated to a molten state, which is called melting core. When the temperature is high enough, the surface tension of the material being welded is reduced, allowing the molten metal (solder) to wet the substrate and solidify to form a strong contact as the temperature decreases.
2025-06-11
Welding process flow
The development of the welding process requires consideration of many factors, including the nature of the material to be welded, the choice of welding method, and the structural type and welding performance requirements of the weldment.
Generally speaking, the welding process includes the following steps
Welding method selection: Select the appropriate welding method according to the specific situation, such as hand arc welding, submerged arc welding, argon tungsten arc welding, etc.
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2025/06
Welding standard specification and process
Scope of application: The standard specifications of welding engineering are usually applicable to the manual arc welding of steel structures in general industrial and civil construction projects.
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2025/06
Materials and main tools: including welding rods, the model should be selected according to the design requirements.
The external wiring of the welding equipment must be firm and reliable, especially the return route of the workpiece.
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2025/06
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products according to the drawings or samples the customers offered.